EP2858462B1 - Système d'éclairage et transmetteur de signal de phase de celui-ci - Google Patents

Système d'éclairage et transmetteur de signal de phase de celui-ci Download PDF

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Publication number
EP2858462B1
EP2858462B1 EP14182603.2A EP14182603A EP2858462B1 EP 2858462 B1 EP2858462 B1 EP 2858462B1 EP 14182603 A EP14182603 A EP 14182603A EP 2858462 B1 EP2858462 B1 EP 2858462B1
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EP
European Patent Office
Prior art keywords
luminance
mode
phase angle
lamp
illumination system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP14182603.2A
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German (de)
English (en)
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EP2858462A3 (fr
EP2858462A2 (fr
EP2858462B8 (fr
Inventor
Ming-Feng Lin
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HEP Tech Co Ltd
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HEP Tech Co Ltd
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Priority claimed from TW102217624U external-priority patent/TWM471729U/zh
Application filed by HEP Tech Co Ltd filed Critical HEP Tech Co Ltd
Publication of EP2858462A2 publication Critical patent/EP2858462A2/fr
Publication of EP2858462A3 publication Critical patent/EP2858462A3/fr
Publication of EP2858462B1 publication Critical patent/EP2858462B1/fr
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Publication of EP2858462B8 publication Critical patent/EP2858462B8/fr
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/185—Controlling the light source by remote control via power line carrier transmission

Definitions

  • the present invention relates generally to controlling of lamps, and more particularly to an illumination system and a signal transmitter of the illumination system.
  • indoor electricity wiring is installed by providing two wires between an electricity box on the ceiling and another electricity box in the wall, wherein the two wires are connected to a switch.
  • an electric apparatus such as a lamp, an electric fan
  • the electric apparatus is fixed on the ceiling and connected to an end of mains electricity, while the other end of mains electricity is connected to a switch through the wires, and connected back to the electric apparatus to form a power loop. In this way, the electric apparatus can be turned on and off simply by switching the switch.
  • the luminance and light color of a commonly seen LED (light-emitting diode) illumination system are usually adjustable now.
  • the LED illumination system may need additional control wiring other than the power loop to transmit the control signals from, say, a control panel on the wall to a LED module.
  • the wireless way requires wireless transceivers respectively installed at the LED module and the control panel on the wall, and the control signals for controlling the LED module can be transmitted wirelessly.
  • the carrier way there has to be a modulator to convert control signals into frequency-modulated signals or amplitude-modulated signals, and the converted signals are carried through power line.
  • the LED module can be controlled after the converted signals being recovered with a demodulator.
  • US 2011/0148326 A1 discloses a two-wired LED light adjusting system for controlling the luminance adjustment for a LED lamp module.
  • the light adjusting circuit includes a phase modulating circuit, a LED driving circuit and a controller.
  • the phase modulating circuit generates a phase modulating voltage.
  • the controller detects the phase modulating voltage of various waveforms.
  • the controller controls the LED driving circuit to enable the LED lamp module to emit light of different luminance according to waveforms of the phase modulating voltage.
  • the primary objective of the present invention is to provide an illumination system and a phase signal transmitter, which can transmit signals with the wiring of a conventional power loop.
  • the illumination system of the present invention includes an input interface, a phase angle control module, a lamp, and a driving module.
  • the input interface is controllably switched between a first state and a second state.
  • the phase angle control module is electrically connected to an AC power source and the input interface, wherein when the input interface is at the first state, the phase angle control module modifies a voltage waveform of the AC power source to generate a delay angle in a half wave period of the voltage waveform of the AC power source.
  • the lamp is controllable to emit light.
  • the driving module is electrically connected to the phase angle control module and the lamp, wherein the driving module is stored with a control mode, which includes a default illumination mode and a luminance adjusting mode, and the driving module switches the control mode in accordance with the delay angle generated by the phase angle control module; if the control mode is switched to the default illumination mode, the lamp is driven to emit light with a default luminance; if the control mode is switched to the luminance adjusting mode, the lamp is driven to emit light with a variable luminance which is repeatedly and continuously regulated between a first luminance and a second luminance until the input interface is switched again, wherein the variable luminance at this time point of the input interface being switched is recorded to update the default luminance, and then the lamp is driven to emit light with the newly updated default luminance, wherein the driving module switches the control mode between the default illumination mode and the luminance adjusting mode according to a length of time that the switch is being pressed.
  • a control mode which includes a default illumination mode and a luminance adjusting mode
  • the present invention further provides an illumination system, which includes an adjustable resistor, a phase angle control module, a lamp, and a driving module.
  • the adjustable resistor is controllable to adjust a resistance thereof.
  • the phase angle control module is electrically connected to an AC power source and the adjustable resistor, wherein the phase angle control module modifies a voltage waveform of the AC power source to generate a delay angle in a half wave period of the voltage waveform of the AC power source in accordance with the resistance of the adjustable resistor, and the delay angle has different degree in accordance with different resistance of the adjustable resistor.
  • the lamp is controllable to emit light.
  • the driving module is electrically connected to the phase angle control module and the lamp to convert power provided by the AC power source which passes through the phase angle control module into electric signals to drive the lamp, wherein the driving module drives the lamp to emit light in accordance with the degree of the delay angle generated by the phase angle control module.
  • the present invention provides a phase signal transmitter, which is provided between an AC power source and a lamp.
  • the phase signal transmitter includes a switch, a phase angle control module, and a driving module.
  • the switch is controllably switched between a short state and an open state.
  • the phase angle control module is electrically connected to the AC power source and the switch, wherein when the switch is at the short states, the phase angle control module modifies a voltage waveform of the AC power source to generate a delay angle in a half wave period of the voltage waveform of the AC power source; when the switch is at the open states, the delay angle is not generated in the voltage waveform.
  • the driving module is connected to the phase angle control module and the lamp, wherein the driving module generates electrical signals to control the lamp to emit light in accordance with the delay angle generated by the phase angle control module.
  • the present invention further provides a phase signal transmitter which is provided between an AC power source and a lamp.
  • the phase signal transmitter includes an adjustable resistor, a phase angle control module, and a driving module.
  • the adjustable resistor is controllable to adjust a resistance thereof.
  • the phase angle control module is electrically connected to an AC power source and the adjustable resistor, wherein the phase angle control module modifies a voltage waveform of the AC power source to generate a delay angle in a half wave period of the voltage waveform of the AC power source in accordance with the resistance of the adjustable resistor, and the delay angle has different degrees in accordance with different resistance of the adjustable resistor.
  • the driving module is electrically connected to the phase angle control module and the lamp, wherein the driving module generates electrical signals to control the lamp to emit light in accordance with the degree of the delay angle generated by the phase angle control module.
  • signals can be transmitted with the wiring of a conventional power loop. Therefore, it is not necessary to install additional control wiring, and therefore the cost of wiring is effectively reduced.
  • a LED illumination system 1 of the first preferred embodiment of the present invention includes a LED module 10, an input interface 12, and a phase signal transmitter 14, wherein the LED module 10 could be replaced with other loadings in other embodiments.
  • the LED module 10 has a plurality of LEDs, which receive electric signals to emit light and provide illumination.
  • the input interface 12 includes a switch 122, wherein the switch 122 is a normally open push switch.
  • the switch 122 is activated (short) by being pressed, and the switch 122 is defined to be at a first state while being pressed. On the contrary, the switch is defined to be at a second state if not pressed.
  • the phase signal transmitter 14 includes a phase angle control module 16 and a driving module 18, wherein the phase angle control module 16 is electrically connected to an AC power source S and the switch 122, and the phase angle control module 16 detects whether the switch 122 is at the first or the second states. If the switch 122 is pressed and therefore activated (i.e. the input interface 12 is switched to the first state), the phase angle control module 16 modifies a voltage waveform of the AC power source S to make the voltage waveform have a delay angle in its positive half wave periods. In contrast, once the switch 122 is not pressed, the input interface 12 automatically returns back to the second state, and the voltage waveform is no longer being modified by the phase angle control module 16. In other words, the voltage waveform has no delay angle therein. In order to reduce harmonic of the AC power source S and not to lower power factor too much, the delay angle is preferable to be no greater than 90 degrees.
  • the phase angle control module 16 modifies the voltage waveform of the AC power source S to generate a delay angle at a rear end of a positive half-wave of each of the outputted voltage waveforms (as waveform 2 shown in FIG. 2A ).
  • the delay angle can be alternatively generated at a front end of the positive half-wave, as shown in FIG. 2B .
  • the delay angle can also be generated at a rear or a front end of a negative halt-wave, since the delay angle can be seen as an indication to indicate that the switch 122 is being pressed in any of the aforementioned ways.
  • the driving module 18 includes a power conversion circuit 182 and a control unit 184 which are electrically connected to each other.
  • the power conversion circuit 182 is electrically connected to the phase angle control module 16 and the LED module 10, to receive electric power flowing through the phase angle control module 16 and convert it into the electric signals which meet the requirement of the LED module 10.
  • the power conversion circuit 182 is controllable to switch the LED module 10 on or off, and to regulate its luminance.
  • the design of the power conversion circuit 182 is based on a pulse width modulation circuit, and therefore the power conversion circuit 182 can modify a clocking of the electric signals provided to the LED module 10 by modulating pulse width.
  • the power conversion circuit 182 can be designed to have the function of modifying intensity of the electric signals in practice.
  • the control unit 184 includes a phase angle detecting circuit 184a and a processor 184b.
  • the phase angle detecting circuit 184a is electrically connected to the phase angle control module 16 to detect if the voltage waveform contains the delay angle, and measure the degree of the delay angle if so. The result of such detection is transmitted to the processor 184b, which is stored with a control mode.
  • the control mode includes a maximum illumination mode, a default illumination mode, and a luminance adjusting mode.
  • the control mode is switched to control the electric signals provided by the power conversion circuit 182 to drive the LED module 10 to emit light.
  • the result of detecting the delay angle with the phase angle detecting circuit 184a is a basis for determining which state the input interface 12 is at.
  • the maximum illumination mode controls the power conversion circuit 182 to drive the LED module 10 to emit light with a maximum luminance, which is a highest luminance achievable for the LED module 10 to be operated under a rated power thereof.
  • the default illumination mode controls the power conversion circuit 182 to drive the LED module 10 to emit light with a default luminance.
  • the default luminance is half of the maximum luminance by default, and can be modified in the luminance adjusting mode.
  • the luminance adjusting mode controls the power conversion circuit 182 to drive the LED module 10 to emit light with a variable luminance, which is repeatedly and continuously regulated between a first luminance and a second luminance until the processor 184b finds out that the input interface 12 is switched into the second state.
  • the variable luminance at this time point is recorded to update the default luminance under the default illumination mode, and the LED module 10 is driven to emit light with the newly updated default luminance.
  • the first luminance is the maximum luminance
  • the second luminance is a minimum luminance that the LED module 10 could provide.
  • the processor 184b can alternatively control the power conversion circuit 182 to drive the LED module 10 to emit light with a third luminance, which is between the first and the second luminance, and then the variable luminance thereof is increased or decreased repeatedly and continuously in the range between the first luminance and the second luminance.
  • the third luminance can be set as half of the maximum luminance, and in this way, if the control mode is switched to the luminance adjusting mode, the sudden luminance change of the LED module 10 would be moderate, which provides a preferable experience for a user.
  • the processor 184b can calculate a length of time in which the switch 122 is being pressed by counting the number of the wave periods that has the delay angle in the voltage waveform, and the control mode can be switched by the processor 184b according to such information.
  • the phase angle control module 16 When the AC power source S is just conducted, and the switch 122 is not yet to be pressed (i.e. the input interface 12 is at the second state), the phase angle control module 16 doesn't modify the voltage waveform of the AC power source S, and therefore the phase angle detecting circuit 184a detects no delay angle in the voltage waveform. Meanwhile, the processor 184b controls the power conversion circuit 182 not to provide the electric signals to the LED module 10 to turn it off.
  • the phase angle detecting circuit 184a detects that the voltage waveform has the delay angle, and the processor 184b calculates the length of time that the switch 122 is being pressed with the aforementioned method to switch the control mode accordingly.
  • the control mode is switched to the maximum illumination mode by the processor 184b, and therefore the LED module 10 emits light with the maximum luminance.
  • the control mode is switched to the default illumination mode by the processor 184b, and therefore the LED module emit light with the default luminance.
  • the processor 184b controls the power conversion circuit 182 not to provide the electric signals to the LED module 10, and therefore the LED module 10 is turned off.
  • the control mode is switched to the luminance adjusting mode by the processor 184b, which allows the user to update the default luminance.
  • the switch 122 and the phase angle control module 16 can be installed on walls of the building (i.e. installed at a control end), and the driving module 18 and the LED module 10 can be installed on the walls of a ceiling of the building (i.e. installed at a loading end).
  • the phase angle control module 16 and the driving module 18 only need two wires, which are connected to the AC power source S, to connect each other.
  • the driving module 18 is informed about which state the input interface 12 is at by the voltage waveform passing through the original wiring of the building, and therefore the driving module 18 is able to transmit corresponding electric signals to control the LED module 10.
  • the LED module 10 could include a plurality of first light sources, which are exemplified by a plurality of first LEDs, and a plurality of second light sources, which are exemplified by a plurality of second LEDs, wherein the light color of the first LEDs is different from that of the second LED.
  • the light color of the first LEDs is one of the cool colors, such as white or blue
  • the light color of the second LEDs is one of the warm colors, such as yellow or red.
  • the power conversion circuit 182 of the riving module 18 respectively controls a luminance ratio of the first LEDs and the second LEDs, wherein the luminance ratio of the first LEDs is the ratio between a luminance of the first LEDs and the maximum luminance or the default luminance and the luminance ratio of the second LEDs is similar.
  • the light color of the LED module 10 can be adjusted with different luminance ratios of the first LEDs and the second LEDs.
  • the processor 184b keeps a first luminance ratio information and a second luminance ratio information, wherein the first luminance ratio information and the second luminance ratio information respectively specify the luminance ratios of the first LEDs and the second LEDs when the control mode is under the maximum illumination mode and the default illumination mode.
  • the control mode stored in the processor 184b further includes a light color adjusting mode, which allows the first and the second luminance ratios to be adjusted. If the control mode is switched to the maximum illumination mode or the default illumination mode, the user can press the switch 122 longer than another predetermined length of time, which is 4 seconds in the first preferred embodiment, to switch the control mode to the light color adjusting mode.
  • the processor 184b controls the power conversion circuit 182 to drive the LED module 10 to emit light with a fixed luminance (i.e. the maximum luminance or the default luminance), and to tune the luminance ratios of the first and the second LEDs of the LED module 10 repeatedly, until the processor 184b finds out that the state of the input interface 12 is switched.
  • the luminance ratios of the first and the second LEDs at this time point are recorded to update the first luminance ratio information of the maximum illumination mode or the second luminance ratio information of the default illumination mode, and the first and second LEDs are driven to emit light with the newly updated luminance ratios.
  • the user is able to switch the control mode and adjust the luminance or the light color by simply pressing the switch 122 for a certain length of time.
  • a LED illumination system 2 of the second preferred embodiment of the present invention is based on the first preferred embodiment, but further has a change-over switch 20, which is electrically connected to the AC power source S and the phase angle control module 16.
  • the change-over switch 20 is provided to turn on or off the LED module 10.
  • the control mode when the change-over switch 20 is conducted, the control mode is switched to the maximum illumination mode by the processor 184b of the driving module 18, and therefore the LED module 10 emit light with the maximum luminance.
  • the control mode can be switched between the default illumination mode, the maximum illumination mode, the luminance adjusting mode, and the light color adjusting mode by the processor 184b.
  • a LED illumination system 3 of the third preferred embodiment of the present invention is based on the aforementioned embodiments, but the input interface 22 includes two switches 222, 224, which are electrically connected to the phase angle control module 16. If each switch 222, 224 is pressed and therefore short, the phase angle control module 16 makes the voltage waveform of the AC power source S to have the delay angle in its positive half-wave periods. With different switches 222, 224 being pressed, a degree of the delay angle is different. Whereby, the phase angle detecting circuit 184a can find out which switch 222, 224 is pressed by measuring the degree of the delay angle, and the processor 184b can switch the control mode accordingly.
  • control mode can be switched between the maximum illumination mode and the default illumination mode by pressing the switch 222 shorter than the predetermined length of time, and can be switched to the luminance adjusting mode by pressing the switch 222 longer than the predetermined length of time.
  • the processor 184b is further stored with a plurality of default light colors, and each default light color corresponds to one of the luminance ratios of the first and the second LEDs. If the control mode is switched to the maximum illumination mode or the default illumination mode, one of the default light colors can be selected by shortly pressing the switch 224. The first luminance ratio information or the second luminance ratio information is updated according to the selected default light color, and the first and the second LEDs are driven to emit light with the newly updated luminance ratio.
  • control mode if the control mode is switched to the maximum illumination mode or the default illumination mode, it can be switched to the light color adjusting mode by pressing the switch 224 for a while.
  • a LED illumination system 4 of the fourth preferred embodiment of the present invention has roughly the same design with the aforementioned embodiments, except that the input interface 24 includes three switches 242, 244, 246, which are electrically connected to the phase angle control module 16. With different switches 242, 244, 246 being pressed, the phase angle control module 16 makes the degree of the delay angle different.
  • the LED illumination system 4 includes three driving modules 262, 264, 266, and three LED modules 282, 284, 286, wherein each driving module 262, 264, 266 corresponds to a specific degree of the delay angle. In other words, each driving module 262, 264, 266 corresponds to each case that one of the switches 242, 244, 246 is pressed, and each LED module 282, 284, 286 is controlled accordingly.
  • the driving module 262 measures the corresponding degree of the delay angle and calculates the length of time of the pressing to control the LED module 282.
  • the LED illumination system 1 of the first embodiment can be modified to be the fifth preferred embodiment shown in FIG. 6 , wherein there are two phase angle control modules 16 and two switches 122 installed at different locations in the building for the user to control the LED module 10.
  • the second, third, and fourth LED illumination system 2, 3, 4 can be modified to be the sixth, seventh, and eighth preferred embodiments respectively shown in FIG. 7 , 8 , and 9 , wherein there are two three-way switches 29, two phase angle control modules 16, and two input interfaces 12, 22, 24 installed at different locations in the building for the user to control the LED module 10.
  • a LED illumination system 5 of the ninth preferred embodiment of the present invention includes a change-over switch 30, an input interface 32, a phase angle control module 34, a driving module 36, and a LED module 38.
  • the input interface 32 includes an adjustable resistor 322 electrically connected to the phase angle control module 34. With different resistance of the adjustable resistor 322, the degree of the delay angle is different. In the ninth preferred embodiment, the degree of the delay angle increases along with the increment of the resistance of the adjustable resistor 322, and the delay angle is always greater than zero degree, even if the resistance of the adjustable resistor 322 is adjusted to be zero Ohm. In other words, after the voltage waveform passing through the phase angle control module 34, the delay angle always exits within.
  • the processor 362 of the driving module 36 obtains the resistance of the adjustable resistor 322 by measuring the degree of delay angle with the phase angle detecting circuit 364, and the power conversion circuit 366 transmits the electric signals to the LED module 38 accordingly to the resistance. For example, the luminance or the light color of the LED module 38 can be adjusted with different resistance.
  • Each LED illumination system in the aforementioned embodiments is merely an example for explaining the method of transmitting signals of the present invention, and the method can be applied to other loading control systems, such as motor control systems.
  • a motor can be controlled by switching an input interface to different states at a control end with the help of a phase signal transmitter.
  • other loadings such as bathroom heaters, exhaust fans, ceiling fans, or other electric products may be also controlled in this way.
  • an illumination system 6 of the tenth preferred embodiment of the present invention has basically the same structure with the second preferred embodiment, which includes a plurality of driving modules 40 and a plurality of LED modules 42 which are respectively paired with the driving modules 40.
  • Each of the driving modules 40 includes a phase angle detecting circuit 402, a processor 404, and a power conversion circuit 406.
  • Each pair of the driving modules 40 and the LED modules 42 is installed at different locations in a house.
  • the user can use the change-over switch 20 to simultaneously control the driving modules 40 to turn on or off the paired LED modules 42.
  • the processor 404 of each of the driving modules 40 simultaneously switches a control mode by pressing the switch 122 with a predetermined length of time and counts, wherein the control mode includes the maximum illumination mode, the default illumination mode, and the luminance adjusting mode for example.
  • the processor 404 controls the power conversion circuit 406 thereof to drive the paired LED module 42 to emit light with a variable luminance which is repeatedly and continuously regulated between a first luminance and a second luminance until the processor 404 finds the switch 122 is switched to a different state.
  • the variable luminance of the LED module 42 stops being regulated, and is recorded to update a default luminance, as described in the previous embodiments.
  • each of the processors 404 may record different variable luminance when the switch 122 is switched to another state, which causes the LED modules 42 to emit light with different default luminance.
  • the tenth preferred embodiment further provides a synchronization mechanism for the luminance adjusting mode, whereby each of the processors 404 can simultaneously control the corresponding power conversion circuit 406.
  • the processor 404 thereof is able to obtain cycles of the voltage waveform of the AC power source S by detecting the voltage waveform which passes through the phase angle control module 16 with the phase angle detecting circuits 402 thereof.
  • a reference point is defined in each cycle of the voltage waveform for the purpose of synchronization. In the tenth preferred embodiment, the reference point is a first zero crossing point of each cycle. Every time the processor 404 detects the reference point, it controls the power conversion circuit 406 to drive the paired LED module 42 to increase or decrease by a luminance difference.
  • each of the processors 404 controls the corresponding power conversion circuit 406 to drive the paired LED module 42 to emit light with the variable luminance of 100 at the first zero crossing point of the first cycle of the voltage waveform.
  • the variable luminance is decreased by the luminance difference, which is 1, at the first zero crossing point of each of the following cycles, until the variable luminance becomes 10.
  • the variable luminance is increased by the luminance difference, which is also 1, until the variable luminance becomes 100 again, and so on.
  • the variable luminance is regulated between the first luminance and the second luminance repeatedly and continuously in this way.
  • the reference point can be two zero crossing points in each cycle of the voltage waveform.
  • peak of the voltage waveform can be the reference point too.
  • each of the LED modules 42 includes a plurality of first LEDs and a plurality of second LEDs, wherein light color of the first LEDs is different from that of the second LED.
  • the control mode stored in each of the processors 404 further includes a light color adjusting mode, wherein the light color adjusting mode is provided for adjusting light color of each of the LED modules 42. If the control mode stored in each of the processors 404 is switched to the light color adjusting mode, again, the voltage waveform of the AC power source S can be seen as the basis of synchronization. In other words, each of the processors 404 adjusts luminance ratio between the first LEDs and the second LEDs of the paired LED module 42 at the reference point in each cycle. As a result, all of the LED modules 42 can adjust the light color thereof at the same time, which prevents the light colors of the LED module 42 from being different.
  • the LED module in the aforementioned preferred embodiments is taken as an example for explaining the illumination systems and the phase signal transmitters provided in the present invention.
  • the LED module can be replaced by other kinds of lamps, such as fluorescent lamp or discharge lamp, which can also be driven by applying a corresponding power conversion circuit.
  • the state of the input interface at the control end is transmitted to the loading end through the phase signal transmitter, and the electric signals corresponding to the state of the input interface is generated to control the loading.
  • the signals are transmitted by means of the voltage waveform of the AC power source, and therefore it is not necessary to install additional wiring or apparatuses for wireless transmission, which effectively reduces the cost of wiring.

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (13)

  1. Système d'éclairage (1, 2, 3, 4, 6), comprenant une interface d'entrée (12, 22, 24), un module de commande par déphasage (16), une lampe, et un module de pilotage (18) pour piloter ladite lampe, l'interface d'entrée (12, 22, 24) pouvant être commutée de manière contrôlée entre un premier état et un second état; le module de commande par déphasage (16) étant connecté électriquement à une source d'alimentation en CA (S) et à l'interface d'entrée (12, 22, 24), le module de commande par déphasage (16) étant adapté pour, quand l'interface d'entrée (12, 22, 24) est dans le premier état, modifier une forme d'onde de tension de la source d'alimentation en CA (S) afin de générer un angle de retard dans une période de demi-onde de la forme d'onde de tension de la source d'alimentation en CA (S) ; la lampe pouvant être commandée pour émettre de la lumière; le module de pilotage (18) étant connecté électriquement au module de commande par déphasage (16) et à la lampe, le module de pilotage (18) contenant des modes de commande enregistrés dans celui-ci, qui comprennent un mode d'éclairage par défaut et un mode de réglage de luminance, et le module de pilotage (18) étant adapté pour commuter le mode de commande en fonction de l'angle de retard généré par le module de commande par déphasage (16); dans lequel
    si le mode de commande est commuté en mode d'éclairage par défaut, la lampe est pilotée pour émettre de la lumière avec une luminance par défaut; caractérisé en ce que
    si le mode de commande est commuté en mode de réglage de luminance, la lampe est pilotée pour émettre de la lumière avec une luminance variable qui est régulée de manière répétée et continue entre une première luminance et une seconde luminance jusqu'à ce que l'interface d'entrée soit de nouveau commutée, la luminance variable à cet instant où l'interface d'entrée (12, 22, 24) est commutée étant enregistrée pour mettre à jour la luminance par défaut, et la lampe étant ensuite pilotée pour émettre de la lumière avec la luminance par défaut nouvellement mise à jour; le module de pilotage (18) étant adapté pour commuter le mode de commande entre le mode d'éclairage par défaut et le mode de réglage de luminance en fonction d'une durée pendant laquelle un commutateur (122) de ladite interface d'entrée est enfoncé.
  2. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 1, dans lequel, quand l'interface d'entrée (12, 22, 24) est dans le second état, le module de commande par déphasage (16) ne modifie pas la forme d'onde de tension de la source d'alimentation en CA (S), et par conséquent l'angle de retard n'est pas généré dans la période de demi-onde de la forme d'onde de tension.
  3. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 1, dans lequel le module de pilotage (18) comprend un circuit de conversion de puissance (182), un circuit de détection de déphasage (184a), et un processeur (184b) qui sont connectés électriquement les uns aux autres ; le circuit de conversion de puissance (182) est connecté électriquement au module de commande par déphasage (16) et à la lampe pour convertir la puissance fournie par la source d'alimentation en CA (S) qui passe par le module de commande par déphasage (16) en signaux électriques pour piloter la lampe; le circuit de détection de déphasage (184a) est connecté électriquement au module de commande par déphasage (16) pour détecter l'angle de retard ; le mode de commande est enregistré dans le processeur (184b) ; le processeur (184b) commute le mode de commande en fonction de l'angle de retard détecté par le circuit de détection de déphasage (184a), et commande le circuit de conversion de puissance afin de piloter la lampe pour qu'elle émette de la lumière.
  4. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 1 ou la revendication 3, dans lequel, quand le mode de commande est commuté en mode de réglage de luminance, la luminance variable est d'abord réglée en tant que troisième valeur de luminance qui se situe entre la première et la seconde luminance, et elle commence ensuite à être régulée.
  5. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 3, comprenant en outre une pluralité des lampes et une pluralité des modules de pilotage (262-266), dans lequel pour chacun des modules de pilotage (262-266), le circuit de détection de déphasage (184a) de celui-ci détecte en outre la forme d'onde de tension qui passe par le module de commande par déphasage (16), et si le mode de commande enregistré dans celui-ci est commuté en mode de réglage de luminance par le processeur (184b) de celui-ci, le processeur (184b) de celui-ci pilote la lampe correspondante pour qu'elle émette de la lumière avec la luminance variable qui est augmentée ou diminuée d'une différence de luminance à au moins un point de référence dans chaque cycle de la forme d'onde de tension détectée par les circuits de détection de déphasage (184a) de celui-ci.
  6. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 5, dans lequel l'au moins un point de référence est un point de passage par zéro dans chaque cycle de la forme d'onde de tension détectée par le circuit de détection de déphasage (184a) de chacun des modules de pilotage (262-266).
  7. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 5, dans lequel l'au moins un point de référence est une crête dans chaque cycle de la forme d'onde de tension détectée par le circuit de détection de déphasage (184a) de chacun des modules de pilotage (262-266).
  8. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 1, dans lequel les modes de commande comprennent en outre un mode d'éclairage maximal ; si le mode de commande est commuté en mode d'éclairage maximal, la lampe est pilotée pour émettre de la lumière avec une luminance maximale, qui est une luminance la plus élevée pouvant être atteinte pour la lampe destinée à fonctionner sous une puissance nominale de celle-ci.
  9. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 1, dans lequel la lampe comprend une pluralité de premières sources lumineuses et une pluralité de secondes sources lumineuses ; une couleur de la lumière des premières sources lumineuses est différente de celle des secondes sources lumineuses ; le mode d'éclairage par défaut comprend une information de rapport de luminance qui enregistre des rapports de luminance des premières et des secondes sources lumineuses si le mode de commande est commuté en mode d'éclairage par défaut; les rapports de luminance sont respectivement des rapports d'une luminance des premières et des secondes sources lumineuses à la luminance par défaut ; les modes de commande comprennent en outre un mode de réglage de couleur de la lumière ; si le mode de commande est commuté en mode de réglage de couleur de la lumière, la lampe est pilotée pour émettre de la lumière avec la luminance par défaut, et régler les rapports de luminance des premières sources lumineuses et des secondes sources lumineuses de manière répétée et continue jusqu'à ce que l'interface d'entrée soit de nouveau commutée, les rapports de luminance des premières et des secondes sources lumineuses à cet instant où l'interface d'entrée (12, 22, 24) est commutée étant enregistrés afin de mettre à jour les rapports de luminance compris dans l'information de rapport de luminance, et les premières et les secondes sources lumineuses étant ensuite pilotées pour émettre de la lumière respectivement avec les rapports de luminance nouvellement mis à jour.
  10. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 1, dans lequel l'angle de retard est inférieur ou égal à 90 degrés.
  11. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 1, dans lequel l'angle de retard est généré sur une demi-onde positive de la forme d'onde de tension de la source d'alimentation en CA (S).
  12. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 1 ou la revendication 2, dans lequel l'interface d'entrée (12, 22, 24) comprend un commutateur (122), qui est un commutateur à bouton-poussoir normalement ouvert; le commutateur (122) est dans le premier état lorsqu'il est enfoncé pour être mis en court-circuit, et le commutateur (122) est automatiquement commuté de nouveau dans le second état lorsqu'il n'est pas enfoncé.
  13. Système d'éclairage (1, 2, 3, 4, 6) selon la revendication 12, dans lequel l'interface d'entrée (12, 22, 24) comprend une pluralité des commutateurs (222, 242-246); lorsque différents commutateurs (222, 242-246) sont enfoncés, le module de commande par déphasage (16) modifie un degré de l'angle de retard; le module de pilotage (18) commute le mode de commande en fonction du degré de l'angle de retard.
EP14182603.2A 2013-09-18 2014-08-28 Système d'éclairage et transmetteur de signal de phase de celui-ci Not-in-force EP2858462B8 (fr)

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US8222832B2 (en) * 2009-07-14 2012-07-17 Iwatt Inc. Adaptive dimmer detection and control for LED lamp
TW201123990A (en) * 2009-12-22 2011-07-01 Weltrend Semiconductor Inc Two-wired LED light adjusting system
JP5342626B2 (ja) * 2011-09-27 2013-11-13 シャープ株式会社 Ｌｅｄ駆動回路及びこれを用いたｌｅｄ照明灯具
JP5343137B2 (ja) * 2012-01-31 2013-11-13 京セラドキュメントソリューションズ株式会社 画像形成装置
US9167662B2 (en) * 2012-02-29 2015-10-20 Cirrus Logic, Inc. Mixed load current compensation for LED lighting
TW201338615A (zh) * 2012-03-03 2013-09-16 Avid Electronics Corp 透過串聯開關修剪電源波形進行編解碼之照明調光裝置

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EP2861045A1 (fr) 2015-04-15
EP2858462A2 (fr) 2015-04-08
US20150077011A1 (en) 2015-03-19
EP2858462B8 (fr) 2017-05-31
US9282617B2 (en) 2016-03-08

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